Lecture 8 - Consciousness and sleep

Question 1

simple explanation of consciousness

Answer 1

awareness of internal and external existence

Question 2

neural correlates of consciousness

Answer 2

the relationships between mental states and neural states and constitute the minimal set of neural events and mechanisms sufficient for a specific conscious percept

Question 3

cognitions role in consciousness

Answer 3

there are issues surrounding whether consciousness is controlled by an executive as evidence is weak and many areas are involved

Question 4

Cognition’s role - attention

Answer 4

how the brain allocated limited resources on some inputs while excluding others

Cheshire Cat effect

Question 5

Cheshire Cat effect

Answer 5

your view alternates between your hand on your friends face, you loose peripheral information around the area of focus

Question 6

neurological basis of consciousness

Answer 6

physiological process - changes in attention matched with changes in neural activity
thalamus - also requires working memory

Question 7

adenosine in sleep

Answer 7

sleep-promoting factors
responsible for the cascade release of melatonin

Question 8

wakefullness

Answer 8

alpha activity - relaxation
beta activity - arousal

Question 9

sleep stages

Answer 9

1, theta activity - awoken easily
2 - EEG becomes slower
3+4, delta - deep sleep

Question 10

types of insomnia

Answer 10

transient
chronic
acute

Question 11

narcolepsy

Answer 11

excessive daytime sleepiness

Question 12

REM behaviour disorder

Answer 12

behaviour corresponds with individuals dream